<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<title>dojox.Grid Subgrid Test</title>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8">
</meta>
<style>
@import "../../../../dojo/resources/dojo.css";
@import "../../_grid/tundraGrid.css";

body { font-size: 1.0em; }
#grid {
height: 400px;
border: 1px solid silver;
}
.text-oneline {
white-space: nowrap;
overflow: hidden;
text-overflow: ellipsis;
}
.text-scrolling {
height: 4em;
overflow: auto;
}
.text-scrolling {
width: 21.5em;
}
</style>

<script type="text/javascript" src="../../../../dojo/dojo.js" 
djConfig="isDebug:true, debugAtAllCosts: false, parseOnLoad: true"></script>
<script type="text/javascript">
dojo.require("dojox.grid.Grid");
dojo.require("dojo.parser");
</script>
<script type="text/javascript">
data = [ 
[ '3 stars', 'Averagia', 'Averagia', 8.99, 'An authentic experience defined by the intense layer of frothy, real facts. This combination package includes special T DISCS that work with your system to produce a perfectly serene experience. $8.99 per package. Please choose Regular (#NS1) or Decaffeinated (#NS4).' ],
 [ '2 stars', 'Cheapy', 'Cheapy', 6.29, 'Power and subtlety intersect for an experience with real character. Imported from Europe just for you. 16 T DISCS per package. $6.29 per package. #NJ4.' ],
 [ '4 stars', 'Luxuria', 'Luxuria', 6.49, 'A bold statement from the respected European brand Luxuria, topped with delicate zanthum. Imported exclusively for you. 18 T DISCS per package. $6.49 per package. #N42.</div>' ],
 [ '5 stars', 'Ultimo', 'Ultimo', 4.59, "A rich sensation of delicious experience, brought to you by one of Europe's oldest brands. A pure indulgence. 8 T DISCS per package. $4.59 per package. #NJ0." ]
]; 

getDetailData = function(inRowIndex) {
var row = data[this.grid.dataRow % data.length];
switch (this.index) {
case 0:
return row[0]; //'<img src="images/sample/' + row[0] + '" width="109" height="75">';
case 1:
return (100000000 + this.grid.dataRow).toString().slice(1);
case 2:
return row[3];
case 3:
return row[1];
case 4:
return row[2];
case 5:
return row[4];
default: 
return row[this.index];
}
} 

getName = function(inRowIndex) {
var row = data[inRowIndex % data.length];
return row[2];
} 

// Main grid structure 
var gridCells = [
{ type: 'dojox.GridRowView', width: '20px' }, 
{ 
onBeforeRow: function(inDataIndex, inSubRows) {
inSubRows[1].hidden = !detailRows[inDataIndex];
},
cells: [[
{ name: '', width: 3, get: getCheck, styles: 'text-align: center;' }, { name: 'Name', get: getName, width: 40 }
], [
{ name: '', get: getDetail, colSpan: 2, styles: 'padding: 0; margin: 0;'}
]]
}
];

// html for the +/- cell
function getCheck(inRowIndex) { 
var image = (detailRows[inRowIndex] ? 'open.gif' : 'closed.gif');
var show = (detailRows[inRowIndex] ? 'false' : 'true')
return '<img height="11" width="11" src="images/' + image + '" onclick="toggleDetail(' + inRowIndex + ', ' + show + ')">';
}

// provide html for the Detail cell in the master grid
function getDetail(inRowIndex) {
var cell = this;
// we can affect styles and content here, but we have to wait to access actual nodes
setTimeout(function() { buildSubgrid(inRowIndex, cell); }, 1);
// look for a subgrid
var subGrid = dijit.byId(makeSubgridId(inRowIndex));
var h = (subGrid ? subGrid.cacheHeight : "120") + "px";
// insert a placeholder
return '<div style="height: ' + h + '; background-color: white;"></div>';
}

// the Detail cell contains a subgrid which we set up below

var subGridCells = [{
noscroll: true,
cells: [
[{ name: "Rating", rowSpan: 2, width: 10, noresize: true, styles: 'text-align:center;' }, 
{ name: "Sku" }, 
{ name: "Price" }, 
{ name: "Vendor" }, 
{ name: "Name", width: "auto" }], 
[{ name: "Description", colSpan: 4 }]
]}];

var subGridProps = {
structure: subGridCells, 
rowCount: 1, 
autoHeight: true, 
autoRender: false,
"get": getDetailData
};

// identify subgrids by their row indices
function makeSubgridId(inRowIndex) {
return grid.widgetId + "_subGrid_" + inRowIndex;
}

// if a subgrid exists at inRowIndex, detach it from the DOM
function detachSubgrid(inRowIndex) {
var subGrid = dijit.byId(makeSubgridId(inRowIndex));
if (subGrid)
dojox.grid.removeNode(subGrid.domNode);
}

// render a subgrid into inCell at inRowIndex
function buildSubgrid(inRowIndex, inCell) {
var n = inCell.getNode(inRowIndex).firstChild;
var id = makeSubgridId(inRowIndex);
var subGrid = dijit.byId(id);
if (subGrid) {
n.appendChild(subGrid.domNode);
} else {
subGridProps.dataRow = inRowIndex;
subGridProps.widgetId = id;
subGrid = new dojox.VirtualGrid(subGridProps, n);
}
if (subGrid) {
subGrid.render();
subGrid.cacheHeight = subGrid.domNode.offsetHeight;
inCell.grid.rowHeightChanged(inRowIndex);
}
}

// destroy subgrid at inRowIndex
function destroySubgrid(inRowIndex) {
var subGrid = dijit.byId(makeSubgridId(inRowIndex));
if (subGrid) subGrid.destroy();
}

// when user clicks the +/-
detailRows = [];
function toggleDetail(inIndex, inShow) {
if (!inShow) detachSubgrid(inIndex);
detailRows[inIndex] = inShow;
grid.updateRow(inIndex);
}

dojo.addOnLoad(function() {
window["grid"] = dijit.byId("grid");
dojo.connect(grid, 'rowRemoved', destroySubgrid);
});
</script>
</head>
<body class="tundra">
<div style="font-weight: bold; padding-bottom: 0.25em;">dojox.Grid showing sub-grid.</div>
<div id="grid" dojoType="dojox.VirtualGrid" structure="gridCells" rowCount="100000" autoWidth="true"></div>
</body>
</html>
